5330-00-390-0221 GASKET Index 5355-00-390-0229 KNOB

National Stock Number:
5310-00-390-0223

Federal Supply Class:
5310

National Item Identification Number:
003900223

Description:
NUT,PLAIN,HEXAGON

Detail:
A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see LOCKNUT, ELECTRICAL CONDUIT. See also LOCKNUT, TUBE FITTING. For items having a thickness (or height) exceeding two times the width across the flats, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. (When height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)


Manufacturer Information:
65939006481NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
NOMINAL THREAD SIZE0.150 INCHES
NUT HEIGHT0.055 INCHES MINIMUM AND 0.060 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.241 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION99014,TYPE 2,FSCM 06481 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNS
THREAD QUANTITY PER INCH80


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